Any chance you're thinking of the "Sweet" series by Maya Banks? Those are set in Houston, and they do feature a BDSM "house" that is frequented by the members of a security company, some of whom are former police officers. The first book in the series featuers a cop from Dallas.

Any chance you're thinking of the "Sweet" series by Maya Banks? Those are set in Houston, and they do feature a BDSM "house" that is frequented by the members of a security company, some of whom are former police officers. The first book in the series featuers a cop from Dallas.